Evgeny Mironov as Alexey Leonov

Konstantin Khabenskiy as Pavel Belyaev

Vladimir Ilin as Sergey Korolev

Anatoliy Kotenyov as Nikolay Kamanin

Aleksandra Ursulyak as Svetlana Leonova

Elena Panova as Tatyana Belyaeva

Aleksandr Ilyin Jr as Vladimir Markelov

Yuriy Itskov as Boris Chertok

Kirill Poluhin as Unit commander

Vitaliya Kornienko as Lyuda Belyaeva

Saveliy Kudryashov as Young Alexey Leonov

Sergey Cherdantsev as MiG-15 pilot #1

Aleksandr Filatov as MiG-15 pilot # 2

Sergey Galakhov as KVTS spetsialist

Ruslan Dzhaybekov as Brezhnev's assistant secretary

Alexandr Novin as Evgeniy Khrunov

Marta Timofeeva as Viktoriya Leonova

Gennadiy Smirnov as Konstantin Feoktistov

Yuriy Nifontov as Boris Rauschenbach

Valeriy Grishko as Leonid Brezhnev

Alexandr Karpilovsky as radio fan

Ekaterina Semina as radio fan's wife

Avangard Leontyev as Yuriy Levitan

Sergey Batalov as Leonov's father

Nelli Nevedina as head physician

Aleksandr Korshunov as doctor

Ivan Gordienko as doctor

Sergey Nesterov as second pilot

Andrey Bazhin as director

Sergey Guzeev as KVTS specialist

Egor Morozov as KVTS lieutenant

Arthur Litvinov as communications officer

Sergey Danilevich as officer

Aleksandr Tsyoma as porter

Alexey Morozov as German Titov

Mikhail Konovalov as photographer

Sergey Bachurskiy as